lockbit | 55ffe83325e6aff0f033d3f6f05a6f58b5f4130f497dcfadffa0ba4390fefe66

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 04:53

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General

Target

2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe
Size

141KB
MD5

d476d73a580668cb69339e1a07f3a9d2
SHA1

bd99643360426f260110a17784a044bd3c535f08
SHA256

55ffe83325e6aff0f033d3f6f05a6f58b5f4130f497dcfadffa0ba4390fefe66
SHA512

d3515c49df83589886fc855884e51b265015690ac45538acb806be4c869c86deab32bf6fe8ae41ee567eafaf389a7bfb1eeea7e7d09a916182bcac325b9f8491
SSDEEP

3072:b4u/673otwaiV4GcZOn6PyPRlyuXB63jVd+akUx5t7pPU8Kp1r:bauwZpsG64qOUrN5hpPUp7r

Score

10^/10

lockbit discovery ransomware

Malware Config

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 2 IoCs

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit
behavioral1/memory/3040-1-0x0000000000400000-0x0000000000427000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2660	3040	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2660	3040	2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe	30
PID 3040 wrote to memory of 2660	3040	2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe	30
PID 3040 wrote to memory of 2660	3040	2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe	30
PID 3040 wrote to memory of 2660	3040	2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-20_d476d73a580668cb69339e1a07f3a9d2_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 88
  2⤵
  - Program crash
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3040-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

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memory/3040-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download